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1、2018人教版小升初英语总复习必考知识点易错题大全一：学生易错词汇1. a, an的选择: 元音字母开头的单词用an,辅音字母开头的单词用a.2. am , is , are的选择: 单数用is , 复数用are. I 用 am , you 用 are.3. have , has 的选择: 表示某人有某物.单数用has , 复数用have. I , you 用 have .4. there is, there are 的选择:表示某地有某物,某人.单数用there is , 复数用there are.5. some, any 的选择:肯定句用some, 疑问句和否定句用any.6. 疑问词的选
2、择:what who where whose why为什么when什么时候which哪一个how old how many 多少how much多少钱二：形容词比较级详解当我们需要对事物作出比较时,需要用到比较级.比较级的句子结构通常是：什么 + 动词be + 形容词比较级 + than比+ 什么 ,如：Im taller and heavier than you. 我比你更高和更重.An elephant is bigger than a tiger. 一只大象比一只老虎更大.形容词的比较级是在形容词的基础上变化而来的,它的变化规则是： 一般的直接在词尾加er ,如 tall - talle
3、r , strong - stronger , 以e结尾的,直接加r ,如 fine finer , 以辅音字母加y结尾的,先改y为i再加er,如funny - funnier 双写最后的字母再加er,如big bigger, thin thinner ,hot hotter注意 比较的两者应该是互相对应的可比较的东西.典型错误：My hair is longer than you.我的头发比你更长.比较的两者是我的头发、你整个人,那么比较的对象就没有可比性.应该改为：My hair is longer than yours. 或My hair is longer than your hair
4、.比较级专项练习: 一、从方框中选出合适的单词完成句子 heavy tall long big How is the Yellow River? How is Mr Green? Hes 175cm. How are your feet? I wear size 18.How is the fish? Its 2kg.二、根据句意写出所缺的单词 Im 12 years old. Youre 14. Imthan you. A rabbits tail is than a monkeys tail. An elephant isthan a pig. A lake isthan a sea. A
5、 basketball isthan a football.三、根据中文完成句子. 我比我的弟弟大三岁. Imthan my brother. 这棵树要比那棵树高. This treethan that one. 你比他矮四厘米. You arethan he. 谁比你重? than you？四、根据答句写出问句 Im 160 cm. Im 12 years old. Amys hair is 30 cm long.三：动词过去式详解 动词的过去式的构成规则有：、规则动词 一般直接在动词的后面加ed：如worked , learned , cleaned , visited以e结尾的动词直接加
6、d：如lived , danced , used 以辅音字母加y结尾的动词要改y为i再加ed此类动词较少如study studied carry carried worry worried 注意play、stay不是辅音字母加y,所以不属于此类 双写最后一个字母此类动词较少如stopped 、不规则动词此类词并无规则,须熟记小学阶段要记住以下动词的原形和过去式：sing sang , eat ate , see saw , have had , do did , go went , take took , buy bought , get got , read read ,fly flew ,
7、 am/is was , are were , say said , leave left , swim swam , tell told , draw drew , come came , lose lost , find found , drink drank , hurt hurt , feel felt四：动词现在分词详解, 动词的ing形式的构成规则： 一般的直接在后面加上ing , 如doing , going , working , singing , eating 以e 结尾的动词,要先去e再加ing,如having , writing 双写最后一个字母的此类动词极少有：run
8、ning , swimming , sitting , getting五：人称和数 人称代词 物主代词 主格 宾格 第一人称 单数 I我 me my我的 复数 we我们 us our我们的第二人称 单数 you你 you your你的 复数 you你们 you your你们的第三人称 单数 he他 him his他的 she她 her her她的 it它 it its它的 复数 they他们/她们/它们 them their他们的/她们的/它们的六：句型专项归类1、 肯定句：是指用肯定的语气来陈述的句子,如：Im a student. She is a doctor. He works in
9、a hospital. There are four fans in our classroom. He will eat lunch at 12:00. I watched TV yesterday evening. 2、否定句：含有否定词或表示否定意义词的句子,如：Im not a student. She is not a doctor. He does not work in a hospital. There are not four fans in our classroom. He will not eat lunch at 12:00. I did not watch TV y
10、esterday evening. 注意 小结：否定句主要是在肯定句的基础上加上了否定词 not.有动词be的句子则not加在be后面,可缩写成isnt,arent,但am not 一般都分开写.没有动词be的句子则要先在主要动词的前面加上一个助动词do,does,did,然后在它后面加上not,你也可以把它们缩写在一起如dont , doesnt , didnt .这三个助动词要根据人称和时态来选择,其中does只用于一般现在时主语是第三人称单数的情况,而did只用于一般过去时,不论主语是什么人称和数,都用did .3、一般疑问句：是指询问事实的句子,此类句子必须用yes,或no来回答.如：
11、Are you a student? Yes, I am / No, Im not. Is she a doctor? Yes, she is. / No, she isnt. Does he work in a hospital? Yes, he does. / No, he doesnt. Are there four fans in our classroom? Yes, there are. / No, there arent. Are you going to buy a comic book tonight? Yes, I am. / No, I am not. Will he e
12、at lunch at 12:00? Yes, I will. / No, I will not. Are they swimming? Yes, they are. / No, they arent.Did you watch TV yesterday evening? Yes, I did. / No, I didnt.注意 小结：一般疑问句是在肯定句的基础上,把动词be调到首位,其他照写,末尾标点符号变成问号即可.没有动词be的句子则要在句首加上一个助动词do,does,did再把紧跟在后面的动词变回原形,末尾标点符号变成问号即可.这三个助动词也要根据人称和时态来选择,其中does只用于
13、一般现在时主语是第三人称单数的情况,而did只用于一般过去时,不论主语是什么人称和数,都用did .一般疑问句有个重要的原则就是问和答要一致,即问句里的第一个单词助动词和简略答句里的这个词是一致的.4、特殊疑问句：以特殊疑问词what , where , who , which , when , whose , why , how等开头引导的句子.此类句子应该问什么就答什么,不能用yes 、no来回答.如：What is this? Its a computer.What does he do? Hes a doctor.Where are you going? Im going to Bei
14、jing.Who played football with you yesterday afternoon? Mike. Which season do you like best? Summer.When do you usually get up? I usually get up at 6:30.Whose skirt is this? Its Amys.Why do you like spring best? Because I can plant trees. How are you? Im fine. / Im happy.How did you go to Xinjiang? I went to Xinjiang by train.其中how又可以和其他一些形容词连用组成特殊疑问词组用来提问,如： how many多少, how much多少, how tall多高, how long多长, how big多大,
